Finding the Fourth Proportional to 995,278.68, 1,373,443.83 and 559,683.63
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Solution
The fourth proportional to 995,278.68, 1,373,443.83 and 559,683.63 is: 772,340.50
Step by Step Solution
- Step 1: Write the proportion equation
995,278.68 : 1,373,443.83 = 559,683.63 : x - Step 2: Convert to fraction form
995,278.68/1,373,443.83 = 559,683.63/x - Step 3: Cross multiply
995,278.68x = 1,373,443.83 × 559,683.63 - Step 4: Simplify right side
995,278.68x = 768,694,028,375.50 - Step 5: Solve for x
x = 768,694,028,375.50/995,278.68 - Step 6: Final answer
x = 772,340.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.